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комбинированная система ОВИК (There are many different options available in the marketplace today when upgrading furnaces or boilers to high efficiency. One of the newer options that is gaining popularity in the HVAC industry is called a Combination or "Combi" System. Combination Systems provide heating for homes and domestic hot water use from a single unit at the same time.  greenhomesamerica.com Alexander Demidov) | |||